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Improvement and application of SWMM-ING for carbon reduction in green infrastructure

그린인프라시설의 탄소저감을 위한 SWMM-ING 개선 및 적용성 평가

  • Young Jun Lee (Civil and Environmental Engineering, The University of Suwon) ;
  • Chaeyoung Lee (Civil and Environmental Engineering, The University of Suwon)
  • 이영준 (수원대학교 건설환경공학과) ;
  • 이채영 (수원대학교 건설환경공학과)
  • Received : 2023.09.05
  • Accepted : 2023.11.15
  • Published : 2023.12.15

Abstract

In Korea, as part of the Green New Deal project toward a carbon-neutral society, it is necessary to build a climate-resilient urban environment to green the city, space, and living infrastructure. To this end, SWMM-ING was improved and the model was modified to analyze the carbon reduction effect. In addition, I plan to select target watersheds where urbanization is rapidly progressing and evaluate runoff, non-point pollution, and carbon reduction effects to conduct cost estimation and optimal design review for domestic rainwater circulation green infrastructure. In this study, green infrastructure facilities were selected using SWMM-ING. Various scenarios were presented considering the surface area and annual cost of each green infrastructure facility, and The results show that the scenario derived through the APL2 method was selected as the optimal scenario. In this optimal scenario, a total facility area of 190,517.5 m2 was applied to 7 out of 30 subwatersheds to achieve the target reduction. The target reduction amount was calculated a 23.50 % reduction in runoff and a 26.99 % reduction in pollutant load. Additionally, the annual carbon absorption was analyzed and found to be 385,521 kg/year. I aim to achieve additional carbon reduction effects by achieving the goal of reducing runoff and non-point pollution sources and analyzing annual carbon absorption. Moreover, considering the scale-up of these interventions across the basin, it is believed that an objective assessment of economic viability can be conducted.

Keywords

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